1881.] NATURAL SCIENCES OF PHILADELPHIA. 39Y 



LIST OF SYNONYMS, CORRECTIONS AND IMPERFECTLY 

 DEFINED SPECIES. 



Abracrinus d'Orbigny. 



A. simplex d'Orb., see Carpocrinus simplex. 



Acasthocrinus Roemer, syn of Rhodocrinus. 



A. longispina Roemer, see Rhodocr. longispina. 

 A. nodulosus Hall, see Rhodoer. nodulosus. 

 A. gracilis Hall, see Rhodocr. gracilis. 



Actinocrinus Miller. 



A. abnormis Lyon, see Megistocr. ahnormis. 



A. aculeatus Austin, not sufficiently defined. • 



A. segilops Hall, see Teleiocr. xgilops. 



A. sequalis Hall, see Batocr. legualis. 



A. sequibrackiatus McChesney, see Batocr. sequibrachiatus, 



A. var. alatus Hall, syn. of Batocr. sequibrachiatu9. 



A. Agassizi Troost. Not defined. 



A. althea Hall, see Teleiocr. althea. 



A. amphora Portlock, syn. of Amphcvacr. Gilbertsoni. 



A. amplus Meek and Worth., see Perieehocr. amplus. 



A. Andrewsianus McChesney, see Batocr. Andrew sianus. 



A. araneolus Meek and Worth., see Steganocr. araneolu». 



A. asterias McChesney, syn. of Batocr. verrucosus. 



A. asteriscus Hall, syn. of Batocr. sequihrachiatus. 



A. arthriticus Phill., see Gissocr, arthriticus. 



A. atlas McCoy, see Amphoracr. (?) atlas Roemer. 



A. brevicalyx Rose. Not found the description. 



A. brevicornis Hall, see Megistocr. brevicornis. 



A. brevimanus Angelin, see Perieehocr. brevimanus. 



A. brevis Hall, see Agaricocr. brevis. 



A. biturbinatus Hall, see Batocr. biturbinatus. 



A. calyculoides Hall, see Ereimocr. calyculmdes. 



A. calyculus Hall, see Batocr. ealyculus. 



A. calypso Hall, see Gennseocr. calypso. 



A. canaliculatus Hall, see Dorycr. canaliculatus. 



A. carica Hall, see Eretmocr, carica. 



A. caroli Hall, syn. of Batocr. calyculus. 



A. Cassedayi Lyon, see Batocr. Cassedayi. 



A. catafractut Aust. Not sufficiently defined. 



A. cauliculus Hall, see Gennseocr. cauliculus. 



A. chloris Hall, syn. of Actinocr. tenuisculptus. 



A. Christyi Shumard, see Batocr. Christyi, 



A. Christyi Hall, see Perieochocr. Christyi. 



